Shop for Headers, Manifolds and Components hardware kit

Header Flange Adapter - 5/8 In Thick - 1-1/8 In Square Port - Hardware Included - Aluminum - Small Block Chevy To S...
DYNATECH | Part# DTH-796-00100 More Details...

$229.99

3.0in to 2.5in Reducers (Pair)

Collector Reducer - 3 In Inlet To 2-1/2 In Outlet - 3-BOLT Flange - Hardware - Steel - Kit
FLOWTECH | Part# FLT-10004 More Details...

$31.00

2.5in to 2.25in Reducers (Pair)

Collector Reducer - 2-1/2 In Inlet To 2-1/4 In INLET/OUTLET - 3-BOLT Flange - Hardware - Steel - Kit
FLOWTECH | Part# FLT-10005 More Details...

$31.00

3IN to 2.125in Reducers (Pair)

Collector Reducer - 3 In Inlet To 2-1/8 In Outlet - 3-BOLT Flange - Hardware - Steel - Kit
FLOWTECH | Part# FLT-10007 More Details...

$36.60

3IN to 2-1/2IN Collector W/O2 Sensor Bun

Collector Reducer - 3 In Inlet To 2-1/2 In OD Outlet - 3-BOLT Flange - Hardware Included - O2 Bung - Steel - Black ...
HEDMAN | Part# HED-21142 More Details...

$22.99

3IN to 2-1/2IN Collector W/O2 Sensor Bun

Collector Reducer - 3 In Inlet To 2-1/2 In OD Outlet - 3-BOLT Ball And Socket Flange - Hardware - O2 Bung - Steel -...
HEDMAN | Part# HED-21143 More Details...

$23.99

2-1/2IN Ball & Socket Flange Kit Steel

Collector Reducer - 2-1/2 In Inlet To 2-1/2 In OD Outlet - 3-BOLT Ball And Socket Flange - Hardware - Steel - Natur...
HEDMAN | Part# HED-21151 More Details...

$36.99

3IN Ball & Socket Flange Kit Steel

Collector Reducer - 3 In Inlet To 3 In OD Outlet - 3-BOLT Ball And Socket Flange - Hardware - Steel - Natural - Kit
HEDMAN | Part# HED-21152 More Details...

$36.99

2-1/2IN Ball & Socket Flange Kit Alumini

Collector Reducer - 2-1/2 In Inlet To 2-1/2 In OD Outlet - 3-BOLT Ball And Socket Flange - Hardware - Steel - Alumi...
HEDMAN | Part# HED-21153 More Details...

$33.99

3IN Ball & Socket Flange Kit Aluminized

Collector Reducer - 3 In Inlet To 3 In OD Outlet - 3-BOLT Ball And Socket Flange - Hardware - Steel - Aluminized - ...
HEDMAN | Part# HED-21154 More Details...

$45.99